<template>
	<view>
		<u-search  :show-action="false" v-model="searchForm.title" @change="inputWord" margin="20rpx 50rpx"></u-search>
		<view>
			<u-swipe-action>
				<view
					v-for="(row, index) in dataList"
					:key="index">
						<u-swipe-action-item @click="({index}) => commit(index, row)"  :key="row.id" :threshold="60" duration="500" 
						:options="row.back?[ {
							text: '撤回',
							style: {
								backgroundColor: '#f56c6c'
							}
						}, {
							text: '历史',
							style: {
								backgroundColor: '#5ac725'
							}
						}]:[ {
							text: '历史',
							style: {
								backgroundColor: '#5ac725'
							}
						}]">
						  <u-cell-group>
							  <u-cell @click="toDetail(row)">
								  <view slot="title" class="content">
										<view class="text-bold text-grey">
											<view class="ellipsis-description">
												实例标题：{{row.vars.title}}
											</view>
										</view>
										<view class="text-grey text-sm">
											<view class="ellipsis-description">
												 流程名称：{{row.processDefinitionName}}
											</view>
										</view>
										<view class="text-grey text-sm">
											<view class="ellipsis-description">
												 任务：{{row.name}}
											</view>
										</view>
										<view class="text-grey text-sm">
											执行时间：{{row.createTime | formatDate}}
										</view>
								  </view>
								  <view slot="right-icon" class="action">
									<u-tag  :text="row.status" plain shape="circle" :type="row.level === 'danger'? 'error':row.level"></u-tag>
								  </view>
								</u-cell>
						  </u-cell-group>
						</u-swipe-action-item>
				</view>
			</u-swipe-action>
		</view>
		<u-loadmore :status="status"  @loadmore="loadmore" :line="true" />
		<u-gap height="20" bgColor="#fff"></u-gap>
		<u-back-top :scrollTop="0" mode="square"></u-back-top>
	</view>
</template>

<script>
	import taskService from "@/api/flowable/taskService"
	import pick from 'lodash.pick'
	export default {
		data() {
			return {
				status: 'loadmore',
				searchForm: {
					title: ''
				},
				dataList: [],
				tablePage: {
					pages: 0,
					currentPage: 0,
					pageSize: 10,
					orders: [{ column: "a.create_time", asc: false }],
				},
				loading: false,
			}
		},
		onLoad() {
			this.loadmore()
		},
		methods: {
			commit(index, row){
				if(row.back) {
					if(index === 0){
						this.callback(row)
					}else if(index === 1){
						this.toDetail(row)
					}
				} else {
					if(index === 0){
						this.toDetail(row)
					}
				}
			},
			// 跳转到详细页面
			toDetail (row) {
				taskService.getTaskDef({
				  taskDefKey: row.taskDefinitionKey,
				  procInsId: row.processInstanceId,
				  procDefId: row.processDefinitionId
				}).then((data) => {
					let query = {readOnly: true, taskId: row.executionId, title: `${row.name}【${row.name}】`, formTitle: `${row.name}`, ...pick(data, 'formType', 'formUrl', 'procDefKey', 'taskDefKey', 'procInsId', 'procDefId', 'taskId', 'status', 'title', 'businessId')}
					uni.navigateTo({
					   url: '/pages/workbench/task/TaskFormDetail?flow='+JSON.stringify(query)
					})
				})
			  },
			 // 取回
			  callback (row) {
				  uni.showModal({
				      title: '提示',
				      content: '确定撤销该已办任务吗？',
				      success: (res) => {
				          if (res.confirm) {
							  uni.showLoading()
							  taskService.callback({'processInstanceId': row.processInstanceId,
									  'preTaskDefKey': row.taskDefinitionKey,
									  'preTaskId': row.id,
									  'currentTaskId': row.currentTask.id,
									  'currentTaskDefKey': row.currentTask.taskDefinitionKey
									}).then((data) => {
										uni.showToast({
											title:data.msg
										})
										this.doSearch(this.curWord)
								})
				          } else if (res.cancel) {
				             uni.hideLoading()
				          }
				      }
				  });		
			  },
		
			// 输入监听
			inputWord(e){
				this.searchTimer && clearTimeout(this.searchTimer)
				this.searchTimer = setTimeout(()=>{
					this.doSearch()
				},300)
			},
			// 搜索
			doSearch(){
				this.dataList = []; 
				this.tablePage.currentPage = 0;
				this.tablePage.pageSize = 10;
				this.tablePage.pages = 0;
				this.loadmore()
			},
			onReachBottom() {
				this.loadmore()
			},
			loadmore() {
				if(this.tablePage.currentPage!==0 && this.tablePage.pages <= this.tablePage.currentPage ) {
					this.status = 'nomore';
					return;
				}
				this.tablePage.currentPage = ++ this.tablePage.currentPage;
				//联网加载数据
				this.status = 'loading';
				taskService.historicList({
					current: this.tablePage.currentPage,
					size: this.tablePage.pageSize,
					orders: this.tablePage.orders,
					...this.searchForm
				}).then((data)=>{
					//追加新数据
					this.dataList=this.dataList.concat(data.records);
					this.tablePage.pages = data.pages;
					if(this.tablePage.pages <= this.tablePage.currentPage){
						this.status = 'nomore'
					} else {
						this.status = 'loadmore'
					}
				})
				
			}
		}
	}
</script>